Mariana Trench Bathymetric Digital Elevation Model

NOAA's National Geophysical Data Center (NGDC) created a bathymetric digital elevation model (DEM) for the Mariana Trench and adjacent seafloor in the Western Pacific Ocean. Bathymetric data used in DEM compilation were obtained from various sources, including internation, federal and academic partners. The DEM is referenced to the horizontal datum of World Geodetic System 1984 (WGS 84) and the vertical datum of sea level. Grid spacings for the Mariana Trench DEM is 6 arc-seconds (~180 meters). Please note that while positive elevations (elevations greater than 0 meters) are present in the DEM over 'dry' land (i.e. islands such as Guam and the Northern Mariana Islands), they should be ignored as the focus of DEM development was solely in the bathymetric realm.

Data and Resources

Field Value
accessLevel public
accrualPeriodicity irregular
bureauCode {006:48}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier gov.noaa.ngdc.mgg.dem:4870
language {en-US}
modified 2013-02-14
old-spatial {"type": "Polygon", "coordinates": [[[139.0, 10.0], [150.0, 10.0], [150.0, 22.0], [139.0, 22.0], [139.0, 10.0]]]}
programCode {006:059}
publisher DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce (Point of Contact)
resource-type Dataset
source_datajson_identifier true
source_hash d6654322a2499a852b40c9e7e9360ed08570391a
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[139.0, 10.0], [150.0, 10.0], [150.0, 22.0], [139.0, 22.0], [139.0, 10.0]]]}
temporal 1985-01-01T00:00:00/2011-12-31T00:00:00
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • bathymetric-digital-elevation-model
  • boulder
  • boulder-world-data-center-for-marine-geology-and-geophysics
  • ckan
  • dem-digital-elevation-model
  • doc-noaa-nesdis-ngdc-national-geophysical-data-center
  • earth-science-oceans-bathymetry-seafloor-topography-bathymetry
  • earth-science-oceans-bathymetry-seafloor-topography-seafloor-topography
  • earth-science-oceans-bathymetry-seafloor-topography-water-depth
  • geo
  • geoss
  • gridded-elevations
  • h-100-meters-250-meters
  • mariana-trench
  • national
  • nesdis
  • noaa
  • north-america
  • ocean-pacific-ocean-western-pacific-ocean
  • ocean-pacific-ocean-western-pacific-ocean-guam
  • ocean-pacific-ocean-western-pacific-ocean-micronesia-northern-mariana-islands
  • pacific-ocean
  • u-s-department-of-commerce
  • united-states
  • v-1-meter-10-meters
  • vertical-location-sea-floor
  • wdc-mgg
isopen False
license_id notspecified
license_title License not specified
maintainer DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
maintainer_email dem.info@noaa.gov
metadata_created 2025-11-20T08:49:19.719304
metadata_modified 2025-11-20T08:49:19.719309
notes NOAA's National Geophysical Data Center (NGDC) created a bathymetric digital elevation model (DEM) for the Mariana Trench and adjacent seafloor in the Western Pacific Ocean. Bathymetric data used in DEM compilation were obtained from various sources, including internation, federal and academic partners. The DEM is referenced to the horizontal datum of World Geodetic System 1984 (WGS 84) and the vertical datum of sea level. Grid spacings for the Mariana Trench DEM is 6 arc-seconds (~180 meters). Please note that while positive elevations (elevations greater than 0 meters) are present in the DEM over 'dry' land (i.e. islands such as Guam and the Northern Mariana Islands), they should be ignored as the focus of DEM development was solely in the bathymetric realm.
num_resources 17
num_tags 29
title Mariana Trench Bathymetric Digital Elevation Model